I remember seeing that the JWT cams increase breathing up to 7800rpm, so I assume that's what you'd get your chip programmed for.
Kez
"Pulled the blower fan down from behind the glovebox and there was a mouse nest inside the cage fan - mom and 6 babies. Mom was dead and the reason for the smell - putrifying fast - but the babies were hanging on. At least until I fed them to the cats." [ZXtaZTT - June 19]